:root{--ink:#15191d;--muted:#62696d;--line:#d8dcd9;--paper:#fafaf7;--red:#d80a20;--dark:#111417;--max:1320px;font-family:"Bahnschrift","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:6px}h1,h2,h3,p,figure{margin:0}.wrap{width:min(calc(100% - 112px),var(--max));margin-inline:auto}.section-space{padding-block:112px}.skip-link{position:fixed;top:12px;left:12px;z-index:20;padding:14px;background:white;color:var(--ink);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}
.site-header{background:var(--dark);color:white;display:flex;align-items:center;justify-content:space-between;padding:19px 56px;border-bottom:1px solid #ffffff26;gap:26px}.brand{display:flex;align-items:center;gap:23px}.brand img{width:136px;height:auto}.brand span{font-size:12px;letter-spacing:.12em;border-left:1px solid #ffffff40;padding-left:23px}.site-header nav{display:flex;align-items:center;gap:34px;font-size:13px}.site-header nav a{padding-block:10px}.site-header nav a:hover{color:#ef929c}.site-header .nav-entry{border:1px solid #ffffff5c;padding:12px 18px;display:flex;align-items:center;gap:26px}
.hero{position:relative;min-height:610px;height:min(760px,calc(100svh - 100px));background:#25282b;isolation:isolate;color:white;display:flex;align-items:center}.hero-photo,.hero-shade{position:absolute;inset:0;width:100%;height:100%;z-index:-2}.hero-photo{object-fit:cover;object-position:center 59%}.hero-shade{z-index:-1;background:linear-gradient(90deg,rgba(10,15,18,.93) 0%,rgba(10,15,18,.75) 29%,rgba(10,15,18,.18) 61%,rgba(10,15,18,.02) 100%),linear-gradient(0deg,rgba(10,15,18,.75),transparent 26%)}.hero-content{padding-bottom:30px}.eyebrow{display:flex;align-items:center;gap:12px;font-size:10px;letter-spacing:.14em;font-weight:600;color:#f4f4f4}.red-line{display:inline-block;width:27px;height:3px;background:var(--red)}h1{font-size:clamp(38px,4.5vw,70px);letter-spacing:-.04em;line-height:1.27;font-weight:700;margin-top:28px}.red-period{color:#f01830}.hero-description{margin-top:28px;font-size:16px;line-height:1.8;color:#e0e4e6}.text-link{display:inline-flex;align-items:center;gap:44px;font-size:14px;border-bottom:1px solid currentColor;padding-bottom:13px;margin-top:36px}.text-link:hover{color:var(--red)}.text-link.light:hover{color:#ff9fa9}.hero-bottom{position:absolute;bottom:27px;left:0;right:0;display:flex;align-items:center;justify-content:space-between;font-size:12px}.photo-label{display:flex;align-items:center;gap:18px}.photo-label b{font-size:24px;font-weight:600}.photo-label span{border-left:1px solid #ffffff73;padding-left:18px;color:#dbe1e5}.hero-bottom>a{display:flex;align-items:center;gap:33px}
.section-label{font-size:12px;letter-spacing:.05em;font-weight:500;display:flex;align-items:center;gap:19px;margin-bottom:25px}.section-label>span{color:var(--red);font-size:11px}.about{display:grid;grid-template-columns:1fr 2fr;gap:50px}.about-content h2{font-size:42px;letter-spacing:-.03em;line-height:1.3}.about-content h2>span{display:block;font-size:24px;font-weight:500;letter-spacing:0;margin-top:12px}.about-content>p{font-size:16px;line-height:2;color:var(--muted);margin-top:28px;max-width:660px}.discipline-list{display:flex;flex-wrap:wrap;gap:16px 28px;margin-top:29px;font-size:12px}.discipline-list span{display:flex;align-items:center;gap:10px}.discipline-list span:before{content:"";width:4px;height:4px;background:var(--red)}
.engineering{display:grid;grid-template-columns:1.12fr 1fr;background:#e8eae5}.engineering figure{position:relative;min-height:550px}.engineering figure img{height:100%;width:100%;object-fit:cover;object-position:50% 55%}.engineering figcaption{position:absolute;bottom:20px;left:25px;font-size:11px;color:#fff;background:#111417c9;padding:8px 12px}.engineering-content{padding:70px clamp(40px,6vw,100px);align-self:center}.engineering-content h2{font-size:48px;line-height:1.24;letter-spacing:-.04em;margin-bottom:27px}.engineering-content p{color:#4e5558;max-width:430px;font-size:14px;line-height:1.95;margin-top:16px}
.platform-section{background:var(--paper)}.platform-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:42px}.platform-heading h2{font-size:38px;letter-spacing:-.03em}.platform-heading>p{font-size:13px;line-height:1.9;color:var(--muted)}.entry-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.entry{display:block;padding:34px 36px 30px 0;transition:background .18s ease}.entry+.entry{border-left:1px solid var(--line);padding-left:36px;padding-right:0}.entry:hover .entry-action{color:var(--red)}.entry:hover h3>span{transform:translate(3px,-3px);color:var(--red)}.entry-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px}.entry-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px}.entry-icon svg{height:32px;width:32px;stroke:currentColor;stroke-width:1.4}.entry-code{font-size:10px;letter-spacing:.16em;color:var(--muted)}.entry h3{display:flex;align-items:center;justify-content:space-between;font-size:27px;font-weight:500}.entry h3>span{font-size:30px;transition:transform .18s ease}.entry p{font-size:14px;line-height:1.9;color:var(--muted);margin-top:14px;max-width:390px;min-height:54px}.entry-action{display:inline-flex;align-items:center;gap:34px;margin-top:29px;font-size:13px;font-weight:600}.entry-note{font-size:12px;color:var(--muted);line-height:1.9;margin-top:19px}.access-help{margin-top:47px;max-width:850px}.access-help details{border-bottom:1px solid var(--line)}.access-help summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:21px 0;font-size:14px}.access-help summary::-webkit-details-marker{display:none}.access-help summary span{font-size:20px;font-weight:300;transition:transform .2s}.access-help details[open] summary span{transform:rotate(45deg)}.access-help details p{font-size:13px;line-height:1.95;color:var(--muted);padding:0 35px 23px 0;max-width:730px}
.site-footer{display:flex;align-items:center;justify-content:space-between;gap:30px;border-top:1px solid var(--line);padding-block:35px}.site-footer img{width:105px;height:auto}.site-footer p{font-size:11px;letter-spacing:.08em;margin-top:15px}.footer-right{display:flex;align-items:center;gap:45px;font-size:11px;color:var(--muted)}
@media(min-width:1800px){.site-header{padding-inline:max(56px,calc((100vw - 1320px)/2))}.hero{height:760px}.engineering-content{padding-right:max(70px,calc((100vw - 1320px)/2))}}
@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.site-header{padding-inline:32px}.brand span{display:none}.hero{min-height:600px;height:650px}.hero-photo{object-position:62% 50%}.hero-shade{background:linear-gradient(90deg,#0a0f12e6 0%,#0a0f1296 45%,#0a0f121a 100%),linear-gradient(0deg,#0a0f12b3,transparent 28%)}.about{grid-template-columns:1fr 2.3fr;gap:30px}.engineering{grid-template-columns:1fr 1fr}.engineering-content{padding:50px 35px}.engineering-content h2{font-size:39px}.engineering figure{min-height:500px}}
@media(max-width:700px){html{scroll-padding-top:20px}.wrap{width:calc(100% - 40px)}.site-header{padding:15px 20px;gap:20px}.brand img{width:112px}.desktop-nav{display:none}.site-header nav{font-size:12px}.site-header .nav-entry{padding:10px 12px;gap:18px}.hero{height:670px;min-height:0;align-items:flex-start}.hero-photo{height:420px;top:auto;bottom:0;object-position:59% center}.hero-shade{background:linear-gradient(180deg,#111417 0%,#111417 30%,#111417de 40%,#11141705 65%,#111417c9 100%)}.hero-content{padding-top:37px;padding-bottom:0}.eyebrow{font-size:8px;letter-spacing:.07em;gap:9px}.red-line{width:17px}h1{font-size:39px;margin-top:24px;line-height:1.27;letter-spacing:-.045em}.hero-description{font-size:13px;margin-top:17px}.hero .text-link{font-size:12px;margin-top:23px;padding-bottom:9px;gap:30px}.hero-bottom{bottom:19px;font-size:10px}.photo-label{gap:12px}.photo-label b{font-size:19px}.photo-label span{padding-left:12px}.hero-bottom>a{gap:16px}.section-space{padding-block:65px}.section-label{font-size:11px;margin-bottom:26px}.about{display:block}.about-content h2{font-size:34px}.about-content h2>span{font-size:21px;margin-top:8px}.about-content>p{font-size:14px;margin-top:22px;line-height:1.95}.discipline-list{font-size:11px;gap:17px;margin-top:24px}.engineering{display:flex;flex-direction:column}.engineering figure{min-height:0;height:310px}.engineering-content{padding:40px 20px 48px}.engineering-content h2{font-size:36px;margin-bottom:21px}.engineering-content h2 br{display:none}.engineering-content p{max-width:none;font-size:14px}.engineering-content .text-link{margin-top:28px;font-size:13px}.platform-heading{display:block;margin-bottom:27px}.platform-heading h2{font-size:30px}.platform-heading>p{margin-top:17px}.entry-grid{display:block}.entry,.entry+.entry{padding:26px 0;border-left:0}.entry+.entry{border-top:1px solid var(--line)}.entry-top{margin-bottom:14px}.entry h3{font-size:25px}.entry p{font-size:13px;min-height:0;margin-top:12px}.entry-action{margin-top:23px;font-size:12px}.entry-note{font-size:11px;margin-top:16px}.access-help{margin-top:31px}.access-help summary{font-size:13px;line-height:1.7;padding:19px 0}.access-help details p{font-size:12px}.site-footer{align-items:flex-start;padding-block:28px;gap:20px}.site-footer img{width:87px}.site-footer p{font-size:10px;letter-spacing:0}.footer-right{flex-direction:column;align-items:flex-end;gap:23px;font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}